1289198220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21486637}}^1$

素因数の和:21486649

約数の個数: 24

約数和(自身を含む): 3609755184

約数和(自身を除く): 2320556964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21486637, 42973274, 64459911, 85946548, 107433185, 128919822, 214866370, 257839644, 322299555, 429732740, 644599110, 1289198220]

約数ペア:

[(1, 1289198220), (2, 644599110), (3, 429732740), (4, 322299555), (5, 257839644), (6, 214866370), (10, 128919822), (12, 107433185), (15, 85946548), (20, 64459911), (30, 42973274), (60, 21486637)]